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it can be possible to create any table without primary key
how map binary relation one to one
DROP TABLE Command: When an existing object is not needed for further use, it is always better to eliminate it from the database. To remove the existing object from the databas
With the help of a diagram defines the typical element modules of a DBMS? The functional elements of a database system can be widely divided into: 1) Storage manager and 2) q
Which model is record based logical model? Network Modelis basically known as record based logical model.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of SP nesting is possible? Recursion is method of proble
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
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